Abstract
Purpose
The Satisfaction with Life Scale (SWLS) is a widely used measure of life satisfaction, a key aspect in quality of life. The SWLS has been used across many socio-demographic groups. Comparison of life satisfaction across different subgroups (e.g., cultures) is meaningful to researchers; such cross-group comparison presupposes that validity of the inferences from SWLS scores holds across various subgroups (measurement invariance: MI). The aim of the present review was to identify, summarize, and evaluate research testing measurement invariance of the SWLS.
Methods
A targeted literature search identified articles (published 1985–2016) that examined MI of the SWLS using multi-group confirmatory factor analysis.
Results
The search retrieved 27 articles, representing 66,380 respondents across 24 nations. Gender, age, and culture were the most common types of MI assessed. Most articles used translated (non-English) versions of the SWLS. The highest level of MI tested in each article (i.e., configural, metric, scalar, strict) varied. Findings generally supported a unidimensional structure (configural MI), but less commonly supported were equivalent factor loadings (metric MI). Over half of the gender invariance analyses supported scalar or strict MI, whereas scalar or strict MI was supported in only 1 of the 11 culture MI analyses and 1 of the 9 age MI analyses.
Conclusions
Findings suggest meaningful comparisons of SWLS means across gender may be valid in some situations, but most likely not across culture or age groups. Participants mostly ascribe similar meaning to like items on the SWLS regardless of their gender, but age and especially culture seem to influence this process.
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Notes
Blais et al. [[40] seem to have been the first to test MI of the SWLS using MG-CFA, observing configural invariance across university students and older adults in Canada. We did not include it, however, because the article failed our inclusion criteria (i.e., it was not published in English).
Atienza et al. [52] imposed cross-group constraints on factor structure, loadings, and residual variances but did not test invariance of intercepts. As MI through MG-CFA is hierarchical, we classified this as examining up to metric.
Pons et al. [64] suggested that strict invariance was tested but testing equality of intercepts was neglected, so it was coded as having tested up to the metric level.
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Acknowledgements
This research was supported by a Tri-Council Canada Graduate Scholarship awarded to the first author. The last author received research funding from the Lawson Foundation, Canada.
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Appendix: Articles included in review (n = 27), ordered by year of publication
Appendix: Articles included in review (n = 27), ordered by year of publication
Shevlin, M., Brunsden, V., & Miles, J. (1998). Satisfaction with life scale: Analysis of factorial invariance, mean structures and reliability. Personality and Individual Differences, 25(5), 911–916.
Pons, D., Atienza, F. L., Balaguer, I., & García-Merita, M. L. (2000). Satisfaction With Life Scale: Analysis of factorial invariance for adolescents and elderly persons. Perceptual and Motor Skills, 91(1), 62–68.
Atienza, F. L., Balaguer, I., & Garcı́a-Merita, M. a. L. (2003). Satisfaction with life scale: Analysis of factorial invariance across sexes. Personality and Individual Differences, 35(6), 1255–1260.
Tucker, K. L., Ozer, D. J., Lyubomirsky, S., & Boehm, J. K. (2006). Testing for measurement invariance in the satisfaction with life scale: A comparison of Russians and North Americans. Social Indicators Research, 78(2), 341–360.
Wu, C.-H., & Yao, G. (2006). Analysis of factorial invariance across gender in the Taiwan version of the Satisfaction with Life Scale. Personality and Individual Differences, 40(6), 1259–1268.
Oishi, S. (2006). The concept of life satisfaction across cultures: An IRT analysis. Journal of Research in Personality, 40(4), 411–423.
Hultell, D., & Gustavsson, J. P. (2008). A psychometric evaluation of the Satisfaction with Life Scale in a Swedish nationwide sample of university students. Personality and Individual Differences, 44(5), 1070–1079.
Siedlecki, K. L., Tucker-Drob, E. M., Oishi, S., & Salthouse, T. A. (2008). Life satisfaction across adulthood: different determinants at different ages? J Posit Psychol, 3(3), 153–164.
Gouveia, V. V., Milfont, T. L., Da Fonseca, P. N., & de Miranda Coelho, J. A. P. (2009). Life satisfaction in Brazil: Testing the psychometric properties of the satisfaction with life scale (SWLS) in five Brazilian samples. Social Indicators Research, 90(2), 267.
Swami, V., & Chamorro-Premuzic, T. (2009). Psychometric evaluation of the Malay satisfaction with life scale. Social Indicators Research, 92(1), 25.
Wu, C.-H., Chen, L. H., & Tsai, Y.-M. (2009). Longitudinal invariance analysis of the satisfaction with life scale. Personality and Individual Differences, 46(4), 396–401.
Durak, M., Senol-Durak, E., & Gencoz, T. (2010). Psychometric properties of the Satisfaction with Life Scale among Turkish university students, correctional officers, and elderly adults. Social Indicators Research, 99(3), 413–429.
Bai, X., Wu, C., Zheng, R., & Ren, X. (2011). The psychometric evaluation of the Satisfaction with Life Scale using a nationally representative sample of China. Journal of Happiness Studies, 12(2), 183–197.
Clench-Aas, J., Nes, R. B., Dalgard, O. S., & Aarø, L. E. (2011). Dimensionality and measurement invariance in the Satisfaction with Life Scale in Norway. Quality of Life Research, 20(8), 1307–1317.
Glaesmer, H., Grande, G., Braehler, E., & Roth, M. (2011). The German Version of the Satisfaction With Life Scale (SWLS). European Journal of Psychological Assessment, 27(2), 127–132.
Ponizovsky, Y., Dimitrova, R., Schachner, M. K., & van de Schoot, R. (2013). The Satisfaction With Life Scale: Measurement invariance across immigrant groups. European Journal of Developmental Psychology, 10(4), 526–532.
Gana, K., Bailly, N., Saada, Y., Joulain, M., & Alaphilippe, D. (2013). Does life satisfaction change in old age: results from an 8-year longitudinal study. J Gerontol B Psychol Sci Soc Sci, 68(4), 540–552.
Moksnes, U. K., Løhre, A., Byrne, D. G., & Haugan, G. (2014). Satisfaction with life scale in adolescents: Evaluation of factor structure and gender invariance in a Norwegian sample. Social Indicators Research, 118(2), 657–671.
Zanon, C., Bardagi, M. P., Layous, K., & Hutz, C. S. (2014). Validation of the satisfaction with life scale to Brazilians: Evidences of measurement noninvariance across Brazil and US. Social Indicators Research, 119(1), 443–453.
Tomás, J. M., Gutiérrez, M., Sancho, P., & Romero, I. (2015). Measurement invariance of the Satisfaction With Life Scale (SWLS) by gender and age in Angola. Personality and Individual Differences, 85, 182–186.
Dimitrova, R., & Dominguez Espinosa, A. d. C. (2015). Measurement Invariance of the Satisfaction with Life Scale in Argentina, Mexico and Nicaragua. Social Inquiry into Well-Being, 1(1), 32.
Whisman, M. A., & Judd, C. M. (2016). A cross-national analysis of measurement invariance of the Satisfaction With Life Scale. Psychol Assess, 28(2), 239–244.
Jovanovic, V. (2016a). The validity of the Satisfaction with Life Scale in adolescents and a comparison with single-item life satisfaction measures: a preliminary study. Qual Life Res, 25(12), 3173–3180.
Jovanović, V., Joshanloo, M., Đunda, D., & Bakhshi, A. (2016b). Gender Differences in the Relationship Between Domain-Specific and General Life Satisfaction: A Study in Iran and Serbia. Applied Research in Quality of Life.
Sovet, L., Atitsogbe, K. A., Pari, P., Park, M. S. A., & Villieux, A. (2016). Psychometric evaluation of the satisfaction with life scale in Togo: A three-step approach. Revue Européenne de Psychologie Appliquée/European Review of Applied Psychology, 66(5), 243–250.
Atienza Gonzalez, F. L., Balaguer Sola, I., Corte-Real, N., & Fonseca, A. M. (2016). Factorial invariance of the Satisfaction with Life Scale in adolescents from Spain and Portugal. Psicothema, 28(3), 353–358.
Bieda, A., Hirschfeld, G., Schonfeld, P., Brailovskaia, J., Zhang, X. C., & Margraf, J. (2016). Universal Happiness? Cross-Cultural Measurement Invariance of Scales Assessing Positive Mental Health. Psychol Assess.
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Emerson, S.D., Guhn, M. & Gadermann, A.M. Measurement invariance of the Satisfaction with Life Scale: reviewing three decades of research. Qual Life Res 26, 2251–2264 (2017). https://doi.org/10.1007/s11136-017-1552-2
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DOI: https://doi.org/10.1007/s11136-017-1552-2